it was a complaint from paula broadwell was sending harassing e-mails to another woman close to the cia director that prompted the fbi to investigate. also we know that the investigation led to the discovery of e-mails between broadwell and petraeus that indicated the affair. now, that second woman hasn't been identified, and the official we spoke with didn't know the nature of that woman's relationship with the former director. but more details are. going out about the timeline of events and when u.s. officials were notified of the circumstances of this investigation. a senior u.s. intelligence official tells the cnn that the fbi informed the director of national intelligence james clapper about the investigation on tuesday night, election night, just as some polls were beginning to close and director clapper as a friending colleague, fellow officer, and admirer, urged petraeus to step down from his position. we know as well from that intelligence source that director clapper informed the white house on wednesday and then, of course, the president and general petraeus met and that's wh